Are free samples available?

Yes, we gladly ship free samples within seven days.

What surface finishes are offered?

Options include Zinc (Yellow, White, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, and Nickel plated.

Industrial Machine Parts Weld Square Nut DIN557 Rhombus Nut

Name: Industrial Machine Parts Weld Square Nut DIN557 Rhombus Nut
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2092163735

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.02

50,000 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Rhombus

Model NO.

Diamond Shaped Nut

Connection

Common Bolt

Head Style

Rhombus

Standard

DIN, ANSI, GB, JIS, GOST, BSW

OEM

Available

Type of The Nut

Rhombus Nut

Nut Type

Square Nut/Weld Nut/ Weld Square Nut

HS Codes

7318160000

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

M1.6-M24

Trademark

Vigor

Origin

China

HS Code

731815

Production Capacity

1000 Tons Per Month

Key features

14-Year Industry Experience: Founder has over 14 years of experience in the fastener industry.

ISO 9001 Certified Quality: Strict in-house QC with detailed order-specific test reports.

High Monthly Capacity: Over 500 tons for anchor bolts and 1000 tons for socket screws monthly.

OEM/ODM Service: Customization available for type, nut type, and other specifications.

Free Sample Service: Free samples shipped within seven days for evaluation.

Diverse Finishing Options: Zinc plating, HDG, Black Oxide, Geomet, Dacroment, and Nickel plated.

Wide Material Range: Carbon steel, Alloy steel, and Stainless steel (SS304, SS316).

Flexible Lead Time: 15-20 days in slack season, 25-45 days in busy season.

Company profile

High Repeat Buyers ChoiceExhibition Experience

Dongguan VG Fasteners Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.95h

AI-Powered supplier vetting

SummaryDongguan VG Fasteners Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering anchors, screws, nuts, thread rods, and related fasteners. It reports ISO 9001 and ISO 14000 management-system certifications, professional R&D capability, 3D software design, and multiple customization modes. Stated production capacity includes 12,000 tons of socket screw items and 6,000 tons of anchor bolts annually. The supplier has self-operated import/export rights and reports that 90% of total sales come from exports. However, SDK availability is explicitly absent, while after-sales capability, customer cases, raw-material traceability, and several sustainability controls are not evidenced. Financial information is represented only by years rather than performance metrics, so financial credibility cannot be assessed from the provided data. The SGS audit record is dated April 24, 2024 to April 23, 2025, with an evaluation result of 0; the meaning of that result is not defined in the...

Supplier typeThe supplier is described as a Limited Company and as both a Trading Company and Manufacturer/Factory. Its stated scope covers fastener sales, hardware, metal products, mechanical parts, tools, plastics, molds, and related goods, indicating a combined trading and manufacturing business model.

CertificationsThe supplier reports holding ISO 9001 and ISO 14000 management-system certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although no certificate numbers, issuing bodies, or validity dates are provided.

R&D capabilityThe supplier is explicitly identified as a professional technical supplier, reports 3D software design services, and has 6–10 years of total R&D engineer experience. However, it reports no available SDK, limiting evidence of software-development integration capability.

Production capacityThe supplier reports annual productivity of 12,000 tons for socket screw items and 6,000 tons for anchor bolts, and also identifies itself as a manufacturer/factory. These stated capacities support a positive assessment of production capability, although broader capacity utilization and facility details are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage for its offered products.